#646F4E#646F4E

#646F4E is a mid, muted yellow-green. Relative luminance 0.146; OKLCH L 52.3% C 0.051 H 123.1°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#646F4E
RGB	rgb(100, 111, 78)
HSL	hsl(80, 17%, 37%)
HSV	hsv(80, 30%, 44%)
CMYK	cmyk(9.9%, 0%, 29.7%, 56.5%)
CIE-LAB	lab(45.12, -10.44, 17.05)
CIE-LCH	lch(45.12, 19.99, 121.49°)
OKLab	oklab(52.32% -0.028 0.0429)
OKLCH	oklch(52.32% 0.051 123.1)
XYZ	xyz(12.3150, 14.6282, 9.3810)
Luminance	0.1463 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646F4E #594E6F

analogous

#6F6A4E #646F4E #546F4E

triadic

#646F4E #4E646F #6F4E64

tetradic

#646F4E #4E6F6A #594E6F #6F4E54

square

#646F4E #4E6F6A #594E6F #6F4E54

split-complementary

#646F4E #4E546F #6A4E6F

monochromatic

#23271B #444B35 #646F4E #849367 #A1AD8A

Accessibility & contrast

On white

5.35

#646F4E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#646F4E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646F4E

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646F4E	#FFFFFF	#000000	##FFFFFF
##646F4E	1.00	5.35	3.93	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#736B4C

Deuteranopia (green-blind)

#716B4F

Tritanopia (blue-blind)

#666C66

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #646f4e;
/* rgb */ color: rgb(100, 111, 78);
/* oklch */ color: oklch(52.3% 0.051 123.1);

Tailwind

colors: {
  custom: {
    50: '#90987f',
    500: '#646f4e',
    950: '#000000',
  },
}

SCSS

$custom: #646f4e;
$custom-light: #90987f;
$custom-dark: #000000;

JSON

{
  "hex": "#646f4e",
  "rgb": {
    "r": 100,
    "g": 111,
    "b": 78
  },
  "hsl": {
    "h": 80,
    "s": 17.46,
    "l": 37.059
  },
  "oklch": {
    "l": 0.52319,
    "c": 0.05121,
    "h": 123.1
  },
  "luminance": 0.14628
}

Semantic roles & 50–950 ramp

primary

#646F4E

secondary

#887E9A

accent

#6EBA87

background

#F8F9F7

surface

#F0F2EE

border

#CBCCC9

text

#0C0D0A

muted

#7D7E7C

Preview Lab

Preview with #646F4E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →